public void SetUp() { _dependencies = new Dependencies(); _dependencies.AddDirect("A", new[] { "B", "C" }); _dependencies.AddDirect("B", new[] { "C", "E" }); _dependencies.AddDirect("C", new[] { "G" }); _dependencies.AddDirect("D", new[] { "A", "F" }); _dependencies.AddDirect("E", new[] { "F" }); _dependencies.AddDirect("F", new[] { "H" }); }